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자료유형
학술저널
저자정보
저널정보
한국수산과학회 Fisheries and Aquatic Sciences Fisheries and Aquatic Sciences 제15권 제4호
발행연도
2012.1
수록면
275 - 281 (7page)

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Yellow croaker Larimichthys polyactis muscle oil was extracted using an environmental friendly solvent, supercritical carbon dioxide (SC-CO2), in a semi-batch flow extraction process. SC-CO2 was applied at temperature 35°C to 45°C and 150°C to 250°C bar of pressure. The flow rate of CO2 (27.79 g/min) was constant throughout the entire 1.5 h extraction period. The oil extraction yield was influenced by the physical properties of SC-CO2 at different temperatures and pressures. The extracted oil was analyzed by gas chromatography to determine the fatty acid composition. According to our results, the SC-CO2 extracted oil was high in eicosapentaenoic acid and docosahexaenoic acid. In addition, the SC-CO2 extracted oil showed greater stability than n-hexane extracted oil based on the peroxide value and acid value. Thus, the quality of yellow croaker oil obtained by SC-CO2 extraction was slightly higher than that of oil obtained by n-hexane extraction.

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